- { "ice_genre", "set stream genre", OFFSET(genre), AV_OPT_TYPE_STRING, { 0 }, 0, 0, E },
- { "ice_name", "set stream description", OFFSET(name), AV_OPT_TYPE_STRING, { 0 }, 0, 0, E },
- { "ice_description", "set stream description", OFFSET(description), AV_OPT_TYPE_STRING, { 0 }, 0, 0, E },
- { "ice_url", "set stream website", OFFSET(url), AV_OPT_TYPE_STRING, { 0 }, 0, 0, E },
+ { "ice_genre", "set stream genre", OFFSET(genre), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
+ { "ice_name", "set stream description", OFFSET(name), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
+ { "ice_description", "set stream description", OFFSET(description), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
+ { "ice_url", "set stream website", OFFSET(url), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },